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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | /* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * ioc.h: Definitions for SGI I/O Controller * * Copyright (C) 1996 David S. Miller * Copyright (C) 1997, 1998, 1999, 2000 Ralf Baechle * Copyright (C) 2001, 2003 Ladislav Michl */ #ifndef _SGI_IOC_H #define _SGI_IOC_H #include <linux/types.h> #include <asm/sgi/pi1.h> /* * All registers are 8-bit wide alligned on 32-bit boundary. Bad things * happen if you try word access them. You have been warned. */ struct sgioc_uart_regs { u8 _ctrl1[3]; volatile u8 ctrl1; u8 _data1[3]; volatile u8 data1; u8 _ctrl2[3]; volatile u8 ctrl2; u8 _data2[3]; volatile u8 data2; }; struct sgioc_keyb_regs { u8 _data[3]; volatile u8 data; u8 _command[3]; volatile u8 command; }; struct sgint_regs { u8 _istat0[3]; volatile u8 istat0; /* Interrupt status zero */ #define SGINT_ISTAT0_FFULL 0x01 #define SGINT_ISTAT0_SCSI0 0x02 #define SGINT_ISTAT0_SCSI1 0x04 #define SGINT_ISTAT0_ENET 0x08 #define SGINT_ISTAT0_GFXDMA 0x10 #define SGINT_ISTAT0_PPORT 0x20 #define SGINT_ISTAT0_HPC2 0x40 #define SGINT_ISTAT0_LIO2 0x80 u8 _imask0[3]; volatile u8 imask0; /* Interrupt mask zero */ u8 _istat1[3]; volatile u8 istat1; /* Interrupt status one */ #define SGINT_ISTAT1_ISDNI 0x01 #define SGINT_ISTAT1_PWR 0x02 #define SGINT_ISTAT1_ISDNH 0x04 #define SGINT_ISTAT1_LIO3 0x08 #define SGINT_ISTAT1_HPC3 0x10 #define SGINT_ISTAT1_AFAIL 0x20 #define SGINT_ISTAT1_VIDEO 0x40 #define SGINT_ISTAT1_GIO2 0x80 u8 _imask1[3]; volatile u8 imask1; /* Interrupt mask one */ u8 _vmeistat[3]; volatile u8 vmeistat; /* VME interrupt status */ u8 _cmeimask0[3]; volatile u8 cmeimask0; /* VME interrupt mask zero */ u8 _cmeimask1[3]; volatile u8 cmeimask1; /* VME interrupt mask one */ u8 _cmepol[3]; volatile u8 cmepol; /* VME polarity */ u8 _tclear[3]; volatile u8 tclear; u8 _errstat[3]; volatile u8 errstat; /* Error status reg, reserved on INT2 */ u32 _unused0[2]; u8 _tcnt0[3]; volatile u8 tcnt0; /* counter 0 */ u8 _tcnt1[3]; volatile u8 tcnt1; /* counter 1 */ u8 _tcnt2[3]; volatile u8 tcnt2; /* counter 2 */ u8 _tcword[3]; volatile u8 tcword; /* control word */ #define SGINT_TCWORD_BCD 0x01 /* Use BCD mode for counters */ #define SGINT_TCWORD_MMASK 0x0e /* Mode bitmask. */ #define SGINT_TCWORD_MITC 0x00 /* IRQ on terminal count (doesn't work) */ #define SGINT_TCWORD_MOS 0x02 /* One-shot IRQ mode. */ #define SGINT_TCWORD_MRGEN 0x04 /* Normal rate generation */ #define SGINT_TCWORD_MSWGEN 0x06 /* Square wave generator mode */ #define SGINT_TCWORD_MSWST 0x08 /* Software strobe */ #define SGINT_TCWORD_MHWST 0x0a /* Hardware strobe */ #define SGINT_TCWORD_CMASK 0x30 /* Command mask */ #define SGINT_TCWORD_CLAT 0x00 /* Latch command */ #define SGINT_TCWORD_CLSB 0x10 /* LSB read/write */ #define SGINT_TCWORD_CMSB 0x20 /* MSB read/write */ #define SGINT_TCWORD_CALL 0x30 /* Full counter read/write */ #define SGINT_TCWORD_CNT0 0x00 /* Select counter zero */ #define SGINT_TCWORD_CNT1 0x40 /* Select counter one */ #define SGINT_TCWORD_CNT2 0x80 /* Select counter two */ #define SGINT_TCWORD_CRBCK 0xc0 /* Readback command */ }; /* * The timer is the good old 8254. Unlike in PCs it's clocked at exactly 1MHz */ #define SGINT_TIMER_CLOCK 1000000 /* * This is the constant we're using for calibrating the counter. */ #define SGINT_TCSAMP_COUNTER ((SGINT_TIMER_CLOCK / HZ) + 255) /* We need software copies of these because they are write only. */ extern u8 sgi_ioc_reset, sgi_ioc_write; struct sgioc_regs { struct pi1_regs pport; u32 _unused0[2]; struct sgioc_uart_regs uart; struct sgioc_keyb_regs kbdmouse; u8 _gcsel[3]; volatile u8 gcsel; u8 _genctrl[3]; volatile u8 genctrl; u8 _panel[3]; volatile u8 panel; #define SGIOC_PANEL_POWERON 0x01 #define SGIOC_PANEL_POWERINTR 0x02 #define SGIOC_PANEL_VOLDNINTR 0x10 #define SGIOC_PANEL_VOLDNHOLD 0x20 #define SGIOC_PANEL_VOLUPINTR 0x40 #define SGIOC_PANEL_VOLUPHOLD 0x80 u32 _unused1; u8 _sysid[3]; volatile u8 sysid; #define SGIOC_SYSID_FULLHOUSE 0x01 #define SGIOC_SYSID_BOARDREV(x) ((x & 0xe0) > 5) #define SGIOC_SYSID_CHIPREV(x) ((x & 0x1e) > 1) u32 _unused2; u8 _read[3]; volatile u8 read; u32 _unused3; u8 _dmasel[3]; volatile u8 dmasel; #define SGIOC_DMASEL_SCLK10MHZ 0x00 /* use 10MHZ serial clock */ #define SGIOC_DMASEL_ISDNB 0x01 /* enable isdn B */ #define SGIOC_DMASEL_ISDNA 0x02 /* enable isdn A */ #define SGIOC_DMASEL_PPORT 0x04 /* use parallel DMA */ #define SGIOC_DMASEL_SCLK667MHZ 0x10 /* use 6.67MHZ serial clock */ #define SGIOC_DMASEL_SCLKEXT 0x20 /* use external serial clock */ u32 _unused4; u8 _reset[3]; volatile u8 reset; #define SGIOC_RESET_PPORT 0x01 /* 0=parport reset, 1=nornal */ #define SGIOC_RESET_KBDMOUSE 0x02 /* 0=kbdmouse reset, 1=normal */ #define SGIOC_RESET_EISA 0x04 /* 0=eisa reset, 1=normal */ #define SGIOC_RESET_ISDN 0x08 /* 0=isdn reset, 1=normal */ #define SGIOC_RESET_LC0OFF 0x10 /* guiness: turn led off (red, else green) */ #define SGIOC_RESET_LC1OFF 0x20 /* guiness: turn led off (green, else amber) */ u32 _unused5; u8 _write[3]; volatile u8 write; #define SGIOC_WRITE_NTHRESH 0x01 /* use 4.5db threshhold */ #define SGIOC_WRITE_TPSPEED 0x02 /* use 100ohm TP speed */ #define SGIOC_WRITE_EPSEL 0x04 /* force cable mode: 1=AUI 0=TP */ #define SGIOC_WRITE_EASEL 0x08 /* 1=autoselect 0=manual cable selection */ #define SGIOC_WRITE_U1AMODE 0x10 /* 1=PC 0=MAC UART mode */ #define SGIOC_WRITE_U0AMODE 0x20 /* 1=PC 0=MAC UART mode */ #define SGIOC_WRITE_MLO 0x40 /* 1=4.75V 0=+5V */ #define SGIOC_WRITE_MHI 0x80 /* 1=5.25V 0=+5V */ u32 _unused6; struct sgint_regs int3; u32 _unused7[16]; volatile u32 extio; /* FullHouse only */ #define EXTIO_S0_IRQ_3 0x8000 /* S0: vid.vsync */ #define EXTIO_S0_IRQ_2 0x4000 /* S0: gfx.fifofull */ #define EXTIO_S0_IRQ_1 0x2000 /* S0: gfx.int */ #define EXTIO_S0_RETRACE 0x1000 #define EXTIO_SG_IRQ_3 0x0800 /* SG: vid.vsync */ #define EXTIO_SG_IRQ_2 0x0400 /* SG: gfx.fifofull */ #define EXTIO_SG_IRQ_1 0x0200 /* SG: gfx.int */ #define EXTIO_SG_RETRACE 0x0100 #define EXTIO_GIO_33MHZ 0x0080 #define EXTIO_EISA_BUSERR 0x0040 #define EXTIO_MC_BUSERR 0x0020 #define EXTIO_HPC3_BUSERR 0x0010 #define EXTIO_S0_STAT_1 0x0008 #define EXTIO_S0_STAT_0 0x0004 #define EXTIO_SG_STAT_1 0x0002 #define EXTIO_SG_STAT_0 0x0001 }; extern struct sgioc_regs *sgioc; extern struct sgint_regs *sgint; #endif |